14638427 has 4 divisors (see below), whose sum is σ = 14646840. Its totient is φ = 14630016.

The previous prime is 14638409. The next prime is 14638433. The reversal of 14638427 is 72483641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72483641 = 3319 ⋅21839.

It is a cyclic number.

It is not a de Polignac number, because 14638427 - 2⁶ = 14638363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14638457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (3661710).

Almost surely, 2^14638427 is an apocalyptic number.

14638427 is a deficient number, since it is larger than the sum of its proper divisors (8413).

14638427 is an equidigital number, since it uses as much as digits as its factorization.

14638427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412.

The product of its digits is 32256, while the sum is 35.

The square root of 14638427 is about 3826.0197333521. The cubic root of 14638427 is about 244.6234782922.

The spelling of 14638427 in words is "fourteen million, six hundred thirty-eight thousand, four hundred twenty-seven".